Home / 21,476.40-32,213.25-6,684.18

Finding the Fourth Proportional to 21,476.40, 32,213.25 and 6,684.18

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Solution

The fourth proportional to 21,476.40, 32,213.25 and 6,684.18 is: 10,025.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,476.40 : 32,213.25 = 6,684.18 : x
  2. Step 2: Convert to fraction form
    21,476.40/32,213.25 = 6,684.18/x
  3. Step 3: Cross multiply
    21,476.40x = 32,213.25 × 6,684.18
  4. Step 4: Simplify right side
    21,476.40x = 215,319,161.39
  5. Step 5: Solve for x
    x = 215,319,161.39/21,476.40
  6. Step 6: Final answer
    x = 10,025.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.